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Loud noise coming from lamp unit - Toshiba 46HM95 46" HDTV

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It is a high pitched sound that could be described as fan like but not the fan, or a grinding sound from that area?

Posted on Dec 09, 2012

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Posted on Jan 02, 2017

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Tv making a loud noise and the lamp status light


Replaced the lamp.Might also be light engine blast too.

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Lamp won't come on and loud rattle in back of tv


Probably a defective color wheel. The bearings are bad or perhaps the wheel itself is broken.

Jun 12, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

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Fan noise loud, bulb burst. Replaced with new bulb. Noise even louder! Unit shuts itself off.


the bulb may have burst from overheating from a fan not working to cool it down. and it can be replaced. it does take, however, a while to replace it because you have to take half of it apart. but make sure it's the fan first. take the lamp door off and remove the lamp. use something small and thin to push in the switch that the lamp door usually activates. turn the projector on and see if the lamp fan and the colorwheel (the multicolor glass disk) are spinning. if the fan spins, the noise may be from the colorwheel motor going bad. the fan can be purchased through an infocus authorized service center. check the website for the closest one. but the colorwheel for the x1 cannot be purchased seperately from the optical engine, and that costs a fortune. but here is the part number for the 80mm fan- 526-0152-00.

May 23, 2009 | InFocus X1 Multimedia Projector

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T.v. clicking and wont turn on..


Hello:

The loud pop you heard is usually indicative of a failed lamp. The clicking noise you hear is likely the ballast trying to turn the lamp on.

If you need assistance with a new lamp, please feel free to contact us at www.dlplampsource.com or 866-764-5822.

Regards

Dan
www.dlplampsource.com

Apr 12, 2009 | Mitsubishi WD-65731 65" HDTV

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HEARD LOUD POP NOISE DLP TV DOES NOT WORK


Following up on my Feb 7 post. My new lamp arrived, and I replaced it and it works great. The old lamp had many shards of glass come out of it. It was tore up. I saved some money buy purchasing just the lamp and not the cartridge. It's a little bit more work to take apart, but saves money. Mitsubishi wanted $289 for the lamp replacement kit. I got a lamp for $114. TV is working just fine now!

Jan 30, 2009 | Mitsubishi WD-57734 57" HDTV

1 Answer

I have owned a Sony Grand Wega for about 3 years now and for the past few months the TV has been making a very loud noise. I thought the noise was the fan but came to find out it was not the fan and was...


Hello,

There is a fan beside the lamp chamber in this TV. There should be 4 fans total, and the one beside the lamp chamber might be making some noise. They are all bearingless fans, so the noise should be relatively low-pitched "whirr" if it is the fan. If the noise is more of a buzzing sound, it could be coming from the lamp driver (ballast) or from the lamp itself. Lamps tend to do strange things toward the end of their life.

If you have never changed the lamp, it is about time. They have a 2.5 -3 year life span with average use.

One thing you can try is to turn the TV on from a cold start, and watch inside the vent areas beside the lamp chamber. If you hear the noise before you see the lamp light up, then it is probably a fan. If it starts as soon as you see the lamp light up, it is the lamp or ballast.

Hope this helps you...

Jan 06, 2009 | Sony Grand WEGA KDF-60XBR950 60" Rear...

1 Answer

Loud noise when Tv comes on souns like fan.


The loud noise is the color wheel winding down when you turn the TV off. You need to replace the color wheel.

Nov 15, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

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Constant whirring noise and won't print


I do have the same problem with my psc-2175. I opened it and recognized that the problem is with the scanner unit. There is a sonsor in this unit which locates the scanner lamp at the beginning point when you turn it on. When this sensor fail to function, the electric motor, which moves the scanner lamp will not recognize where to stop and it works without any stop. So it pulls lamp unit into its borders and make the noise you hear.
I wanted to let it repaired, but I found out that it will be very expensive and it is better to buy a new set. I have bought it in Iran 1600000Rls (170$), and the repair cost is almost 750000Rls (78$).
If you find another solution please let me know, my email is: decoder84@yahoo.com and my name is Soroush Asarzadeh.

May 08, 2008 | HP PSC 2175 All-In-One InkJet Printer

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